Ultraviolet (200 nm) observations of the nearby cluster of galaxies Abell 1367

Details Ultraviolet (200 nm) observations of the nearby cluster of galaxies Abell 1367 Ultraviolet (200 nm) observations of the nearby cluster of galaxies Abell 1367

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.157..197b&link_type=abstract

(Instituto de Astrofisica de Canarias and Comision Interministerial de Ciencia y Tecnologia, Summer School on Evolutionary Pheno

Astronomy and Astrophysics

Astronomy

Galactic Clusters, Ultraviolet Astronomy, Galactic Evolution, Star Formation

Scientific paper

Ultraviolet (200 nm) observations of 120 galaxies are performed in a 1.8 square degree field centered on the A 1367 cluster with 40-cm imaging telescope flown on a stabilized balloon-borne gondola. Total ultraviolet fluxes are obtained and used to derive the current Star Formation Rate (SFR) in the cluster galaxies with measured H I masses. A good correlation is found between the SFR per unit area and the gas surface density, similar to that previously found for a sample of field galaxies (Donas et al., 1987), while the mean gas depletion time-scale (Mg/SFR) is probably shorter in the cluster than in the field.

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